Transaction not yet indexed

53N6DUconUNEgxKqz5yLDyNdPfQYMJpLDPQh2YjZTsuVqqPDjWNZMiKccpvqsMd3a8TdzDJasUTCDUGN4HHYHyAu

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.